Neville groaned a little, though he didn't know if any sound came out. He thought for a moment, snuffed his wand again, and a few moments later some letters floated in front of him, seeming to be gold and shimmering, written with motions of his wand.
CAN'T HEAR OR TALK
then
HOTEL MAGIC
He hoped the silence and change in light would be enough to get her attention. He had a feeling it would. She had been anything but unobservant in their past interactions. The writing wasn't particularly bright, and wouldn't last long, but it was enough to see in the dim corridor.